File:The Cetacea.jpg - 维基百科，自由的百科全书

English: Montages of:

• File:Amazonas Flussdelfin Apure Orinoco Duisburg 01.jpg Stefanie Triltsch
• File:Mother and baby sperm whale.jpg Gabriel Barathieu
• File:Killerwhales jumping.jpg NOAA
• File:Anim1088 - Flickr - NOAA Photo Library.jpg NOAA
• File:Jack, a harbour porpoise at Vancouver Aquarium.jpg Marcus Wernicke (Tuugaalik), Porpoise.org Porpoise Conservation Society (www.porpoise.org)
• File:Beaked Whale.jpg NOAA
• File:Southern right whale.jpg User:mcatan
• File:Eschrichtius robustus 01-cropped.jpg Merrill Gosho,
• File:Pod Monodon monoceros.jpg Dr. Kristin Laidre, Polar Science Center, UW NOAA/OAR/OER